To send the values to the Serial Monitor, you call Serial.print(). When the Esplora is connected, and the Serial Monitor is open, you should start to see values reported like this twice a second :
x: 512 y: 567 z: 634

to:

To send the values to the Serial Monitor, you call Serial.print(). When the Esplora is connected, and the Serial Monitor is open, you should start to see values reported like this twice a second :@@x: 512 y: 567 z: 634
x: 513 y: 563 z: 632@@